Robtex

Up: 12.131.100.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 12.131.100.0/24
Down right: 12.131.101.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.131.100.201	PTR	integralsg.com
12.131.100.201	PTR	www.integralservices.com
12.131.100.201	PTR	*.integralsg.com
12.131.100.203	A	cable.integralsg.com
12.131.100.204	A	bids.integralsg.com
12.131.100.205	A	isghelp.com
12.131.100.207	A	service.integralsg.com
12.131.100.210	A	reports.integralsg.com
12.131.100.213	PTR	mail.digital-dns.com
12.131.100.213	A+PTR	mail.integralsg.com
12.131.101.6	A	cloudcmd.integralsg.com
12.131.101.20	A	mail.thomahog.com
12.131.101.20	A	mail.eastteak.com
12.131.101.25	A	mail.integralsg.net
12.131.101.26	A	mail.otodevelopment.com
12.131.101.28	A	pop3.otodevelopment.com
12.131.101.28	A	pop.otodevelopment.com
12.131.101.29	A	mail.keymarkinc.com
12.131.101.31	A	mail.holcombebomar.com
12.131.101.32	A+PTR	dns2.integralsg.com
12.131.101.33	A	mail.upstatealliance.com
12.131.101.36	A	mail.bropac.com
12.131.101.36	A	mail1.bropac.com
12.131.101.36	A	merak.bropac.com
12.131.101.37	A	mail.norgenixpharma.com
12.131.101.38	A+PTR	mail.tietex.com
12.131.101.39	PTR	www.integralsg.com
12.131.101.39	A	isgweb.integralsg.com
12.131.101.39	A	ns01.integralsg.com
12.131.101.41	PTR	mail.weekslawfirm.net
12.131.101.41	A	smtp.weekslawfirm.net
12.131.101.43	A	mail.mobile-meals.org
12.131.101.45	A	mail.lymansc.gov
12.131.101.58	A	mail.spartanarts.org
12.131.101.59	A	webmail.jhmhotels.com
12.131.101.60	PTR	www.integralsupplies.com
12.131.101.60	A	integralsupplies.com
12.131.101.68	A	mail.purebarrecorp.com
12.131.101.69	A	stratusflight.com
12.131.101.80	A	aerielib.com
12.131.101.82	A	mail.adamsgroup.com
12.131.101.82	A	mail01.adamsgroup.com
12.131.101.88	A	ftp.aasa.org
12.131.101.89	A	mail.muhler.com
12.131.101.92	A	mailgate.blueridge.coop
12.131.101.97	A+PTR	mail.jmsmithdispensary.com
12.131.101.100	PTR	integralsupplies.com
12.131.101.100	A+PTR	www.integralsg.com
12.131.101.100	PTR	*.integralsg.com
12.131.101.103	A	mail.spartanburgparks.org
12.131.101.130	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.131	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.132	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.133	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.134	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.135	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.136	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.137	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.138	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.139	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.140	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.141	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.142	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.143	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.144	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.145	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.146	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.147	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.148	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.149	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.150	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.151	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.152	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.153	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.154	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.155	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.156	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.156	A	kgweb2print.com
12.131.101.157	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.159	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.160	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.161	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.162	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.163	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.164	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.165	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.166	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.167	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.168	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.169	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.170	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.171	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.172	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.173	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.174	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.175	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.176	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.177	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.178	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.179	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.180	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.181	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.182	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.183	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.184	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.185	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.186	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.187	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.188	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.189	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.190	PTR	ns10-ns15.dnsmadeeasy.com
12.131.101.215	A	mail.pacoletmilliken.com
12.131.101.246	PTR	paradiespos.postec.net
12.131.101.249	A	mystem.net
12.131.101.251	A	www.postec.net
12.131.101.252	A+PTR	mail.postec.net
12.131.101.252	A+PTR	vigilix.postec.net
12.131.101.252	A	postec.net
12.131.101.253	A+PTR	nsgw.postec.net